Co-heiress with her two sisters of her brother Gilbert.They split the lands, worth some L6, 000 gross, between them. Rec'd Glamorgan & other scattered estates. Heiress of Caerphilly Castle, Wales],
Michael Altschul, *A Baronial Family in Medieval England: The Clares, 1217-1314*, Baltimore MD (The Johns Hopkins Press) 1965, concerning the partition of the de CLARE estates after the death of the last Gilbert, p 170-171: "Hugh Despenser and Eleanor [Gilbert's sister] received the lordship of Glamorgan, the most important of all the Clare holdings, along with Rotherfield in Sussex and scattered manors in Devon and Somerset. In addition, each heir acquired two-ninths of the liberty of Kilkenny in Ireland, although there is no evidence that any of them every visited it. (P) The death of the countess in the summer of 1320 completed the division of the estates among th heirs. Maud probably died on July 2, and the properties she held in dower must have been partitioned shortly thereafter. Each received an equal portion of her third of Kilkenny. The partition of the Clare estates has been described as "the most important territorial upheaval of the reign." [Denham-Young *Vita Edwardi Secundi, pp xii-xiii*]"